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Response of Listeria monocytogenes to liquid smoke ArchiMer
Guilbaud, Morgan; Chafsey, Ingrid; Pilet, Marie-france; Leroi, Francoise; Prevost, Herve; Hebraud, Michel; Dousset, Xavier.
Aims: To investigate the effect of liquid smoke on growth, survival, proteomic pattern and haemolytic potential of Listeria monocytogenes. Methods and Results: Growth and survival curves were recorded in brain-heart infusion broth supplemented with three concentrations of liquid smoke. L. monocytogenes growth was inhibited in the presence of 15 mu g ml(-1) phenol while a rapid decrease in cell viability occurred in the presence of 30 mu g ml(-1) phenol. The proteome of L. monocytogenes cytosoluble proteins was slightly modified after 2-h incubation with 30 mu g ml(-1) phenol but no protein already characterized in response to other known stresses was induced, except the protease ClpP. Liquid smoke inhibited the haemolytic potential without affecting hly...
Tipo: Text Palavras-chave: Survival; Stress; Proteome analysis; Listeria monocytogenes; Liquid smoke; Haemolysis.
Ano: 2008 URL: http://archimer.ifremer.fr/doc/2008/publication-4522.pdf
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